Lintgen, Luxembourg 25 November 2022 - www.rotarexfiretec.com - The FireDETEC® R107 Dry Chemical System is a comprehensive fire protection solution that uses a fluorine free powder as an extinguishing agent. It is certified according to UNECE R107 standard and protects engine compartments for passenger transportation vehicles of category M2 or M3, such as coaches buses including Class 1 (for standing passengers), Class 2 (urban buses) and Class 3 (for seated passengers).